Welcome to Westonci.ca, your one-stop destination for finding answers to all your questions. Join our expert community now! Explore a wealth of knowledge from professionals across different disciplines on our comprehensive platform. Connect with a community of professionals ready to help you find accurate solutions to your questions quickly and efficiently.

Calculate the pH of a buffer that is 0.205M in NaHCO3 and 0.285M in Na2CO3.

Sagot :

Plug in the values into this equation

Ka = [H+][CO3 2-]/[HCO3-]

[ ] = concentration

then solve for [H+] if you know the Ka of HCO3-, and then take the -log[H+] to find the pH.

The Ka of HCO3- = 5.6x10^-11